code: def test_class_getitem_metaclass(self):
      class Meta(type):
          def __class_getitem__(cls, item):
              return f"{cls.__name__}[{item.__name__}]"
  
      self.assertEqual(Meta[int], "Meta[int]")
  
imports: import unittest
  from test import support
label_desc: Use image node_id 10 for calling the TestClassGetitem obj's underlying member method code with example usage: obj.test_class_getitem_metaclass() and returns: cls, str, item, str